Abstract
ABSTRACT Background Recent research shows that co-use of stimulants and opioids appears to be increasing and injection of opioids and stimulants carries a risk for HIV transmission. This study examined stimulant injection and sexual HIV risk behaviors among individuals who reported nonmedical use of gabapentin and opioids (n = 62). Methods Comparisons of people who injected stimulants to those who did not were conducted using chi-square and t-tests. Results Compared to those who did not, people who injected stimulants, were less likely to be African American/Black (p < 0.05) and more likely to report sex with another person who injects drugs (p < 0.01), recent injections of prescription and/or illicit opioids (p < .000), and hepatitis C infection (p < 0.01). Condomless intercourse during group sex was more prevalent among stimulant injectors, significant at the trend level (p < 0.1). Conclusions Given the documented association between the use of opioids and nonmedical use of gabapentin and the growing trend of opioid-stimulant co-use, future research must examine whether nonmedical use of gabapentin is an indicator of substance use disorder severity and/or a risk factor for injection drug use. Education and intervention opportunities that address group sex and other sexual risk behaviors are warranted.
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